$ git clone -n https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11-sys.git /var/lib/mock/f45-build-42166-791/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11-sys
Cloning into '/var/lib/mock/f45-build-42166-791/root/chroot_tmpdir/scmroot/rust-gstreamer-gl-x11-sys'...
$ git fetch origin 007e4a917af82333b72e844a7650e05f9de2166e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gstreamer-gl-x11-sys
 * [new ref]         007e4a917af82333b72e844a7650e05f9de2166e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 007e4a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild